Bible Dictionaries
Thallous

Webster's Dictionary

(a.) Of or pertaining to thallium; derived from, or containing, thallium; specifically, designating those compounds in which the element has a lower valence as contrasted with the thallic compounds.

Bibliography Information
Webster, Noah. Entry for 'Thallous'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/thallous.html. 1828.